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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $542,081,000 | 15,158,745 | 15,158,745 |
| 2006 | $680,832,000 | 21,710,823 | 21,710,823 |
| 2007 | $430,454,000 | 23,816,654 | 23,816,654 |
| 2008 | $741,511,000 | 34,694,277 | 34,694,277 |
| 2009 | $847,418,000 | 23,342,699 | 23,342,699 |
| 2010 | $1,176,083,427 | 44,539,504 | 44,539,504 |
| 2011 | $1,244,572,933 | 28,238,580 | 28,238,580 |
Note: Quantity represents Weight in kilograms
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